'Do all aliens really need sunlight?' ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an ...

Interest in unidentified aerial phenomena (UAPs) surged in February when Barack Obama stated aliens are "real," though he ...

Science writer Becky Ferreira explains biomarkers that scientists can look for to determine whether alien life is inhabiting ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

While a lot of the details of Disclosure Day and its plot are still shrouded in mystery, the movie stars Josh O’Connor and ...